Could People with Stereo-Deficiencies Have a Rich 3D Experience Using HMDs?
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People with stereo-deficiencies usually have problems for the perception of depth using stereo devices. This paper presents a study that involves participants who did not have stereopsis and participants who had stereopsis. The two groups of participants were exposed to a maze navigation task in a 3D environment in two conditions, using a HMD and a large stereo screen. Fifty-nine adults participated in our study. From the results, there were no statistically significant differences for the performance on the task between the participants with stereopsis and those without stereopsis. We found statistically significant differences between the two conditions in favor of the HMD for the two groups of participants. The participants who did not have stereopsis and could not perceive 3D when looking at the Lang 1 Stereotest did have the illusion of depth perception using the HMD. The study suggests that for the people who did not have stereopsis, the head tracking largely influences the 3D experience.
KeywordsHMD Large stereo screen Virtual reality Stereopsis 3D experience Stereoblindness Stereo-deficiency Head tracking
• This work was mainly funded by the Spanish Ministry of Economy and Competitiveness (MINECO) through the CHILDMNEMOS project (TIN2012-37381-C02-01) and cofinanced by the European Regional Development Fund (FEDER).
• Other financial support was received from the Government of the Republic of Ecuador through the Scholarship Program of the Secretary of Higher Education, Science, Technology and Innovation (SENESCYT), the Conselleria d’Educació, Investigació, Cultura i Esport through the grant for consolidable research groups (2017–2018), the Government of Aragon (Department of Industry and Innovation), and the European Social Fund for Aragon.
• We would like to thank the following for their contributions:
- David Rodríguez Andrés, Mauricio Loachamín Valencia, and Juan Fernando Martín for their help.
- DSIC and ASIC for allowing us to use its facilities during the testing phase, especially to Vicente Blasco and Manuel Jiménez.
- The users who participated in the study.
- The reviewers for their valuable comments.
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